GMAT Data Sufficiency (DS) Forum - Free Practice Questions

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Complete 1000 GMAT Data Sufficiency Series (DS-1000 Series) Questions

Bunuel

25 Oct 2022, 08:11

176

15

78,568

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

854

24

188,427

by: bumpbot

16 Sep 2025, 06:05

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DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

487,774

by: bb

29 Aug 2025, 13:27

ER

If xy 0, is x^3 + y^3 > 0 ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

1, 2

Bunuel

24 Jun 2018, 11:23

352

21

46,741

by: totaltestprepNick

23 Feb 2026, 13:16

ER

A paint mixture was formed by mixing exactly 3 colors of paint. By vol

655-705 (Hard) | Mixture Problems

655-705 (Hard) | Mixture Problems hide tags

Bunuel

26 Apr 2019, 03:18

306

16

46,734

by: Aboyhasnoname

24 Jun 2025, 01:02

ER

If x and y are positive integers, is xy even?

555-605 (Medium) | Multiples and Factors, Number Properties

555-605 (Medium) | Multiples and Factors, Number Properties hide tags

Bunuel

26 Jun 2017, 02:43

184

15

46,640

by: bumpbot

18 May 2025, 01:16

ER

The only articles of clothing in a certain closet are shirts, dresses,

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

16 Jun 2016, 06:05

300

19

46,603

by: goaltop30mba

30 Jul 2025, 15:23

ER

Is the product of two integers A and B odd?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

1, 2, 3

EgmatQuantExpert

13 Aug 2018, 03:10

171

40

46,482

by: bumpbot

25 Dec 2025, 04:42

ER

If a and b are positive integers, is ³√ab an an integer?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

AbdurRakib

24 Jun 2016, 12:16

308

13

46,425

by: bumpbot

13 Jan 2026, 12:35

ER

What is the perimeter of isosceles triangle ABC?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

1, 2

GMATT73

19 Jul 2012, 02:36

123

20

46,386

by: bumpbot

29 Jun 2023, 06:57

ER

If the length of Wanda's telephone call was rounded up to the nearest

505-555 (Easy) | Arithmetic, Word Problems

505-555 (Easy) | Arithmetic, Word Problems hide tags

Bunuel

14 Jun 2012, 03:09

128

10

46,367

by: totaltestprepNick

03 Mar 2026, 09:56

ER

A drawer contains 8 socks, and 2 socks are selected at random without

705-805 (Hard) | Probability

705-805 (Hard) | Probability hide tags

Economist

12 Nov 2009, 09:35

164

15

46,338

by: bumpbot

14 Oct 2025, 10:57

ER

Each type A machine fills 400 cans per minute,each Type B machine fill

655-705 (Hard) | Work and Rate Problems

655-705 (Hard) | Work and Rate Problems hide tags

AbdurRakib

24 Jun 2016, 12:36

423

15

46,276

by: egmat

23 Sep 2025, 23:39

ER

If a and b are positive numbers, what are the coordinates of

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

b14kumar

27 Jul 2014, 15:57

109

8

46,253

by: bumpbot

07 Oct 2025, 01:21

ER

Guests at a recent party ate a total of fifteen hamburgers.

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

kairoshan

18 Nov 2009, 21:47

236

14

46,246

by: bumpbot

03 Jan 2026, 11:10

ER

Last year in a group of 30 businesses, 21 reported a net profit and 15

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

TomB

05 Mar 2012, 17:27

223

11

46,240

by: bumpbot

18 Apr 2025, 01:18

ER

In the xy-plane, point (r, s) lies on a circle with center at the orig

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

saurya_s

25 Nov 2020, 17:07

286

18

46,234

by: egmat

22 Jan 2026, 04:31

ER

A certain high school with a total enrollment of 900 student

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

21 Oct 2022, 07:41

84

5

46,161

by: bumpbot

16 Sep 2025, 23:36

ER

If r and t are three-digit positive integers, is r greater than t ?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

AbdurRakib

24 Jun 2017, 03:49

324

16

46,065

by: bumpbot

17 Jun 2025, 06:52

ER

w, x, y, and z are integers. If z > y > x > w, is |w| > x^2

805+ (Hard) | Absolute Values, Inequalities

805+ (Hard) | Absolute Values, Inequalities hide tags

1, 2

enigma123

01 Dec 2011, 01:52

302

29

45,951

by: bumpbot

22 Jan 2025, 12:51

ER

If 6xy = x^2*y + 9y, what is the value of xy?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

ArvGMAT

06 Jul 2014, 11:09

249

18

45,645

by: ExpertsGlobal5

03 Dec 2025, 22:28

It will rain today. Will it rain tomorrow?

Poor Quality

Poor Quality hide tags

UMB

15 Jul 2015, 08:00

2

10

45,624

by: georgesanjay

15 Jul 2015, 07:48

ER

If x^3-x=n and x is a positive integer greater than 1, is n

655-705 (Hard) | Multiples and Factors, Remainders

655-705 (Hard) | Multiples and Factors, Remainders hide tags

enigma123

31 Jan 2012, 16:25

244

16

45,587

by: bumpbot

28 Oct 2025, 09:22

ER

Of the companies surveyed about the skills they required in prospectiv

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

25 Jun 2012, 03:08

262

12

45,578

by: totaltestprepNick

03 Mar 2026, 13:03

ER

In a two-month survey of shoppers, each shopper bought one of two bran

555-605 (Medium) | Percent and Interest Problems, Word Problems

555-605 (Medium) | Percent and Interest Problems, Word Problems hide tags

moonwalking

19 Jul 2017, 14:20

294

12

45,578

by: Bunuel

14 Mar 2025, 00:08

ER

Jack and Mark both received hourly wage increases of 6 perce

605-655 (Medium) | Percent and Interest Problems

605-655 (Medium) | Percent and Interest Problems hide tags

docabuzar

05 Mar 2013, 07:23

182

10

45,575

by: bumpbot

03 Apr 2025, 00:17

ER

If a, b, and c are integers, what is the value of a?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

snowbirdskier

13 Oct 2014, 03:18

178

14

45,566

by: bumpbot

28 Dec 2024, 03:11

ER

A certain jar contains only b black marbles, w white marbles and r red

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

anilnandyala

16 Nov 2010, 06:43

291

17

45,541

by: bumpbot

27 Apr 2025, 06:06

ER

If y>=0, What is the value of x? (1) |x-3|>=y (2) |x-3|<=-y

705-805 (Hard) | Absolute Values, Inequalities

705-805 (Hard) | Absolute Values, Inequalities hide tags

ugimba

09 Jan 2010, 14:17

301

15

45,452

by: manan01

19 Nov 2025, 10:05

ER

How many members of a certain legislature voted against the measure to

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

03 Aug 2018, 00:00

166

13

45,359

by: exdolore

03 Dec 2025, 23:46

ER

Last year the average (arithmetic mean) salary of the 10 employees of

555-605 (Medium) | Statistics and Sets Problems

555-605 (Medium) | Statistics and Sets Problems hide tags

Bunuel

16 Jul 2012, 04:51

236

12

45,353

by: bumpbot

16 Aug 2025, 13:32

ER

A company produces a certain toy in only 2 sizes, small or large, and

655-705 (Hard) | Fractions and Ratios, Word Problems

655-705 (Hard) | Fractions and Ratios, Word Problems hide tags

Bunuel

26 Apr 2019, 02:51

382

14

45,284

by: sahilsehdev97

11 Jun 2025, 03:34

ER

Is the area of the triangular region above less than 20?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

1, 2

Bunuel

26 Jun 2017, 02:15

401

23

45,276

by: bumpbot

23 Jul 2024, 09:27

ER

If x and y are positive integers, is the product xy even ?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

krishan

29 Jan 2009, 05:47

131

12

45,196

by: bumpbot

24 Sep 2024, 11:59

ER

In the diagram, what is the length of AB?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

1, 2

enigma123

05 Feb 2012, 17:30

93

30

45,138

by: bumpbot

02 Nov 2023, 21:41

ER

Is x > y? (1) x = y + 2 (2) x/2 = y - 1

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

02 Jul 2012, 02:39

105

10

45,137

by: bumpbot

20 Oct 2025, 22:23

ER

What is the remainder when the positive integer n is divided by the po

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

JoyLibs

20 Oct 2019, 01:30

202

7

45,050

by: agrasan

16 Jul 2025, 22:57

ER

If zy < xy < 0, is |x - z | + |x| = |z|?

Poor Quality

Poor Quality hide tags

1, 2

rgtiwari

17 Sep 2010, 12:10

279

21

45,044

by: bumpbot

27 Jul 2022, 11:21

ER

What is the area of triangular region ABC above?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

1, 2

Walkabout

03 Dec 2012, 04:54

61

21

45,009

by: bumpbot

14 Nov 2024, 20:10

ER

If x and y are positive numbers, is (x + 1)/(y + 1) > x/y

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

26 Jun 2017, 02:33

202

18

44,994

by: bumpbot

16 Apr 2025, 06:36

ER

A rectangular solid has length, width, and height of L cm, W cm, and H

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

1, 2

Bunuel

26 Apr 2019, 03:29

273

28

44,854

by: bumpbot

07 Sep 2023, 20:12

ER

If n is an integer between 10 and 99, is n < 80?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

geometric

15 Jan 2012, 23:49

97

11

44,780

by: Bunuel

23 Nov 2024, 11:30

ER

Is x less than 20?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

enigma123

20 Mar 2012, 09:07

95

14

44,750

by: bumpbot

16 Oct 2024, 06:58

ER

If p and q are positive integers and pq = 24, what is the

Sub 505 (Easy) | Algebra, Number Properties

Sub 505 (Easy) | Algebra, Number Properties hide tags

Bunuel

17 Jan 2014, 02:35

35

8

44,707

by: bumpbot

22 Apr 2025, 04:20

ER

If @ represents one of the operations +, -, and x, is k@(l+m

555-605 (Medium) | Arithmetic, Functions and Custom Characters

555-605 (Medium) | Arithmetic, Functions and Custom Characters hide tags

Walkabout

14 Dec 2012, 07:13

240

14

44,687

by: totaltestprepNick

01 Mar 2026, 19:23

ER

During a one day sale, a store sold each sweater of a certain type for

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

netcaesar

12 Dec 2018, 05:06

114

17

44,590

by: bumpbot

08 Mar 2025, 08:25

ER

If Q is a set of consecutive integers, what is the standard

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

hogann

15 Aug 2014, 09:08

155

7

44,555

by: Bunuel

15 Aug 2014, 09:09

ER

If n is a positive integer, is the value of b - a at least twice the

555-605 (Medium) | Algebra, Exponents

555-605 (Medium) | Algebra, Exponents hide tags

1, 2

Walkabout

18 Dec 2012, 09:00

320

24

44,547

by: totaltestprepNick

24 Feb 2026, 09:43

ER

For a certain city's library, the average cost of purchasing each new

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

1, 2

AbdurRakib

22 Jun 2017, 15:43

270

21

44,443

by: ManishaPrepMinds

23 Jul 2025, 01:48

ER

In triangle ABC above, what is the length of side BC?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

04 Mar 2014, 00:20

154

19

44,348

by: bumpbot

30 Apr 2024, 05:59

ER

Three points T, U and V on the number line have coordinates t, u, and

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

mbaspire

20 Apr 2016, 16:32

253

11

44,175

by: bumpbot

27 Dec 2024, 02:53

ER

If x and y are non-zero integers and |x| + |y| = 32, what is

705-805 (Hard) | Absolute Values

705-805 (Hard) | Absolute Values hide tags

1, 2

lbsgmat

08 Aug 2009, 07:32

253

23

44,073

by: bumpbot

27 Aug 2025, 11:34

ER

At the beginning of the year, the Finance Committee and the Planning C

555-605 (Medium) | Fractions and Ratios

555-605 (Medium) | Fractions and Ratios hide tags

Bunuel

25 Oct 2015, 09:15

148

14

44,065

by: Ishaan30

09 Jul 2025, 04:04